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Finding the Fourth Proportional to 227,079.64, 340,037.88 and 189,546.40

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Solution

The fourth proportional to 227,079.64, 340,037.88 and 189,546.40 is: 283,834.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,079.64 : 340,037.88 = 189,546.40 : x
  2. Step 2: Convert to fraction form
    227,079.64/340,037.88 = 189,546.40/x
  3. Step 3: Cross multiply
    227,079.64x = 340,037.88 × 189,546.40
  4. Step 4: Simplify right side
    227,079.64x = 64,452,956,017.63
  5. Step 5: Solve for x
    x = 64,452,956,017.63/227,079.64
  6. Step 6: Final answer
    x = 283,834.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.